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经营范围
发明名称
Rolling mill
摘要
申请公布号
US1965219(A)
申请公布日期
1934.07.03
申请号
US19330659745
申请日期
1933.03.06
申请人
THE AMERICAN BRASS COMPANY
发明人
COE JAMES R.
分类号
B21C47/24
主分类号
B21C47/24
代理机构
代理人
主权项
地址
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